Which Is NOT True of the Work Product Privilege

Which is NOT true of the work product privilege?

A) Its protection is lifted for the spouse of the client.
B) It extends to work consisting of mental impressions,conclusions,opinions,and legal theories of an attorney.
C) It extends to work performed by paralegals.
D) Its protection is lifted and disclosure is required upon a showing that the party seeking discovery has substantial need of the materials in the preparation of the case and is unable to obtain the substantial equivalent of the materials by other means without undue hardship.